Will meizu unlock our bootloaders ?
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Since meizu will not update devices running lollipop to  android nougat they should at least unlock the bootloaders so that hopefully we can get Twrp and custom roms on our devices (marshmallow, nougat ,oreo )
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you can root your device and install SuperSU but you can't install custom roms
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an octa core device in 2017 running lollipop shame on you meizu ...